Anhydrite Vs Crocoite
Origin
Mexico
Australia, Southern and central Africa
Color
Colorless, Blue, Violet, White, Brown, rose, gray
Red, Yellow, orange
Streak
White
yellowish orange
Specific Gravity
2.90-2.98
5.90-6.10
Fracture
Conchoidal
Conchoidal
Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
{110} Distinct, {001} Indistinct, {100} Indistinct
Chemical Composition
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Pearly, Greasy
Adamantine
Pleochroism
For violet varieties
Distinctly trichroic
Transparency
Transparent
Transparent
Refractive Index
1.570-1.614
2.31-2.66
Crystal System
Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/n
Birefringence
0.042-0.044
-9999
Clarity
Transparent
Transparent
Neurological
Enhances mental clarity and focus
-
Cardiovascular
Supports heart health
Supports heart health
Psychology
Calmness
Passion
Healing
Emotional healing
Physical healing
Qualities Associated
Acceptance
Passion
Anhydrite Vs Crocoite Fracture
Fracture is an important parameter when you compare Anhydrite and Crocoite Physical Properties. It is necessary to understand the significance of these properties, before you compare Anhydrite Vs Crocoite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Anhydrite is Conchoidal. Crocoite fracture is Conchoidal.
Anhydrite Vs Crocoite Luster
A primary knowledge about Anhydrite vs Crocoite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Anhydrite exhibits Pearly and Greasy luster. Crocoite, on other hand, exhibits Adamantine luster.